|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Holothuroidea - Arthrochirotida - Palaeocucumariidae
It was assigned to Palaeocucumariidae by Frizzell and Exline (1966) and Boczarowski (2001); to Holothuroidea by Lehmann (1958) and Kerr and Kim (2001); and to Arthrochirotida by Sepkoski (2002).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.